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Wilwood 140-16666 GNBig Brake Lug Drive Front Brake Kit

Original price $3,470.95 - Original price $3,470.95
Original price
$3,470.95 - $3,470.95
Current price $3,470.95
  • GN4R/ST four piston radial mount race calipers are coupled with the high cooling capacity of 13
  • 00" Dynamic Lug Drive Spec37 GT 48 directional vane rotors to provide the ultimate brake package for road race competition restricted to four piston calipers
  • GN4R/ST calipers use a forged aluminum body and feature a Type III Mil-Spec, medium gray color hard anodized finish
  • Hard anodizing provides superior wear resistance in the piston bores, and high resistance to abrasion and corrosion throughout
  • This latest model of the GN4R/ST calipers features a 20mm thick pads to add volume for longer service life
  • Thermlock® pistons are used to reduce heat transfer from the pads to increase fade resistance
  • BP-30 SmartPads selected specifically for exceptional driver control in braking

Assembly Instructions Click Here


MFG. Part # 140-16666
Brand Wilwood
Position Front
Bolt Pattern 5 on 4.5"
Rotor Diameter 13 Inch
Rotor Type Vented
Caliper Finish Type III Anodized
Parking Brake Provision No
Minimum Recommended Wheel Diameter 17 Inch
Hardware Included Yes
Front Rotor Included Yes
Front Rotor Diameter 13.00 in./330.20mm
Front Caliper Included Yes
Front Caliper Piston Quantity Four
Rear Caliper Included No
Front Spindles Included No
Master Cylinder Included No
Brake Booster Included No
Brake Hoses Included No
Rear Rotor Included No
Rotor Thickness 1.25"
Sold in Quantity Kit
Notes Road Race kits contain high temperature racing pads. Extended low temperature use will cause premature rotor and pad wear.
Caliper Type Radial
Rotor Material Type Spec-37 Iron
GTIN Code 889545102147
Front Rotor Thickness 1.250"
Front Caliper Material Forged Billet Aluminum
Front Caliper Color Gray/Silver
Brake Lines Included Yes
Front Rotor Style Slotted
Caliper Color Gray
Caliper Material Type Forged Aluminum
Front Rotor Construction Vented


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